The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 1989
Filed:
Feb. 05, 1988
Kazuo Ueda, Tokushima, JP;
Shikoku Kakoki Co., Ltd., Tokushima, JP;
Abstract
A sealed paper container filled with contents has a trunk of square to rectangular cross section. The trunk has a horizontal breakable portion formed in its three side walls close to their upper ends and removable by tearing by hand. The remaining side wall is provided at the same level as the breakable portion with a portion for forming a joint between the container body and the closure to be formed by removing the breakable portion. The breakable portion and the joint forming portion serve as a boundary to provide a closure forming portion thereabove and a container body forming portion therebelow. The container body forming portion has an engaging member secured to the inner side of its upper end, extending along the three side walls and projecting upward therefrom for engaging the closure to be formed by removing the breakable portion. The upward projection of the engaging member extends along the lower end of the closure forming portion on the inner side thereof.